An analysis of Iran's Bushehr nuclear plant responds to claims of an imminent 200-bomb threat, detailing technical realities of reactor-grade plutonium.

The Nuclear Regulatory Commission plans to end longstanding guidance that radiation exposure be “as low as reasonably achievable.” ...

Plutonium is one of the most complex elements in the periodic table. First synthesized and isolated in 1940 by scientists at ...

A program initiated by the Trump administration has allowed small companies to rush their testing of several new nuclear ...

The Bulletin of the Atomic Scientists, a nonprofit organization widely known for creating the Doomsday Clock, was named this ...

For decades, physicists searched for a missing piece of nature's puzzle, an elusive particle believed to explain why matter ...